package com.lin.servicehosp.service.Impl;

import com.alibaba.fastjson.JSONObject;

import com.lin.servicehosp.repository.DepartmentRepository;
import com.lin.servicehosp.service.DepartmentService;
import lin.yygh.model.hosp.Department;
import lin.yygh.vo.hosp.DepartmentQueryVo;
import lin.yygh.vo.hosp.DepartmentVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@Service
public class DepartmentServiceImpl implements DepartmentService {

    @Autowired
    private DepartmentRepository departmentRepository;


    @Override
    public void save(Map<String, Object> paramMap) {

        //paramMap 转换成department对象
        String paramMapString = JSONObject.toJSONString(paramMap);
        Department department = JSONObject.parseObject(paramMapString, Department.class);


        //根据医院编号和科室编号进行查询
        Department departmentExist = departmentRepository.
                getDepartmentByHoscodeAndDepcode(department.getHoscode(),department.getDepcode());

        //判断
        if (departmentExist != null){
            departmentExist.setUpdateTime(new Date());
            departmentExist.setIsDeleted(0);
            departmentRepository.save(departmentExist);
        }else{
            department.setCreateTime(new Date());
            department.setUpdateTime(new Date());
            department.setIsDeleted(0);
            departmentRepository.save(department);
        }
    }

    @Override
    public Page<Department> findPageDepartment(int page, int limit, DepartmentQueryVo departmentQueryVo) {

        //创建Pageable对象，设置当前页和每页记录数
        //0是第一页
        Pageable pageable = PageRequest.of(page-1,limit);

        //创建Example对象
        Department department = new Department();

        BeanUtils.copyProperties(departmentQueryVo,department);

        department.setIsDeleted(0);
       // departmentQueryVo.setIsDeleted(0);

        ExampleMatcher matcher = ExampleMatcher.matching().
                withStringMatcher((ExampleMatcher.StringMatcher.CONTAINING)).
                withIgnoreCase(true);

        Example<Department> example = Example.of(department,matcher);

        Page<Department> all = departmentRepository.findAll(example,pageable);
        return all;



    }

    @Override
    public void removeDepartmentByCode(String hoscode, String depcode) {

        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode,depcode);

        if (department != null){
            departmentRepository.deleteById(department.getId());
        }
    }

    @Override
    public List<DepartmentVo> findDeptTree(String hoscode) {

        //创建list集合，用于最终数据的封装
        List<DepartmentVo> result = new ArrayList<>();

        //根据医院编号，查询医院所有科室信息
        Department departmentQuery = new Department();
        departmentQuery.setHoscode(hoscode);
        Example<Department> example = Example.of(departmentQuery);

        //所有科室列表
        List<Department> departmentList = departmentRepository.findAll(example);

        //根据大科室编号 bigcode分组,获取每个大科室里面下级子科室
        Map<String, List<Department>> departmentMap = departmentList.stream()
                .collect(Collectors.groupingBy(Department::getBigcode));

        //遍历map集合 departmentMap
        for (Map.Entry<String,List<Department>> entry : departmentMap.entrySet()){

            //大科室的编号
            String bigCode = entry.getKey();
            //得到大科室编号对应的全部数据
            List<Department> departmentList1 = entry.getValue();

            //封装大科室
            DepartmentVo departmentVo1 = new DepartmentVo();
            departmentVo1.setDepcode(bigCode);
            departmentVo1.setDepname(departmentList1.get(0).getBigname());

            //封装小科室
            List<DepartmentVo> children = new ArrayList<>();
            for (Department department : departmentList1){
                DepartmentVo departmentVo2 = new DepartmentVo();
                departmentVo2.setDepcode(department.getDepcode());
                departmentVo2.setDepname(department.getDepname());
                //封装到list集合中去
                children.add(departmentVo2);
            }

            //把小科室的list集合放到大科室的children里去
            departmentVo1.setChildren(children);
            //放到最终的result里面
            result.add(departmentVo1);
        }

        return result;
    }

    @Override
    public String getDepName(String hoscode, String depcode) {

        Department departmentByHoscodeAndDepcode = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);

        if (departmentByHoscodeAndDepcode != null){

            String depname = departmentByHoscodeAndDepcode.getDepname();

            return depname;
        }

        return null;
    }
}
